Adjustable shelf insert for an open locker



FIG. 1 is a perspective view of an adjustable shelf insert for an open locker showing my new design;

FIG. 2 is a front view thereof shown in an exploded position, the opposite side being a mirror image;

FIG. 3 is a side view thereof shown in an exploded position, the opposite side being a mirror image; and,

FIG. 4 is a top view thereof shown in an exploded position, the opposite side being a mirror image.

In FIG. 1, the broken lines showing of environmental structure for purposes of illustrating the adjustable shelf insert for an open locker in a condition of use. The broken lines and the structure they depict form no part of the claimed design. 

The ornamental design for an adjustable shelf insert for an open locker, as shown and described. 